Namura Forged Top End Rebuild Kit for 2017 22 Honda CRF450R CRF450RX 95.95mm FX 10049K 2009 Arctic Cat 250 2x4 2008 Ski Doo MXZ Renegade X 2008 Ski Doo MXZ Renegade X 800 Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Top End Gasket Kit Part Number W4897 Fitment Type Unit Sale Qty Each Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer 95mm Piston Size Added 0 Namura gives you a higher performance piston without the higher price